Low creep and hysteresis load cell based on a force-to-fluid pressure transformation

A.F. Zwijze; Remco J. Wiegerink; Gijsbertus J.M. Krijnen; Theodorus S.J. Lammerink; Michael Curt Elwenspoek

doi:10.1016/S0924-4247(99)00079-5

Low creep and hysteresis load cell based on a force-to-fluid pressure transformation

A.F. Zwijze, Remco J. Wiegerink, Gijsbertus J.M. Krijnen, Theodorus S.J. Lammerink, Michael Curt Elwenspoek

Research output: Contribution to journal › Article › Academic › peer-review

3 Citations (Scopus)

Abstract

In this paper, a low-cost load cell (force sensor) is presented in which the force to be measured is transformed into a fluid pressure. The design consists of a boss, attached to a membrane, and a bucket-like structure which encloses a fluid volume. This geometry causes a force to be transformed into a pressure. We show that this transformation only depends on the geometrical parameters of the load cell and that it is independent of the Young's modulus of the membrane resulting in very low creep and hysteresis. Experimental results with loads up to 1000 kg show very good repeatability and are in close agreement with both analytical and numerical calculations.

Original language	Undefined
Pages (from-to)	74-80
Number of pages	7
Journal	Sensors and actuators. A: Physical
Volume	78
Issue number	2
DOIs	https://doi.org/10.1016/S0924-4247(99)00079-5
Publication status	Published - Dec 1999

Keywords

METIS-111693
IR-14602
EWI-13207

Access to Document

10.1016/S0924-4247(99)00079-5

http://eprints.eemcs.utwente.nl/secure2/13207/01/JSAA_78_74.pdf

Cite this

Zwijze, A. F., Wiegerink, R. J., Krijnen, G. J. M., Lammerink, T. S. J., & Elwenspoek, M. C. (1999). Low creep and hysteresis load cell based on a force-to-fluid pressure transformation. Sensors and actuators. A: Physical, 78(2), 74-80. https://doi.org/10.1016/S0924-4247(99)00079-5

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abstract = "In this paper, a low-cost load cell (force sensor) is presented in which the force to be measured is transformed into a fluid pressure. The design consists of a boss, attached to a membrane, and a bucket-like structure which encloses a fluid volume. This geometry causes a force to be transformed into a pressure. We show that this transformation only depends on the geometrical parameters of the load cell and that it is independent of the Young's modulus of the membrane resulting in very low creep and hysteresis. Experimental results with loads up to 1000 kg show very good repeatability and are in close agreement with both analytical and numerical calculations.",

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AU - Zwijze, A.F.

AU - Wiegerink, Remco J.

AU - Krijnen, Gijsbertus J.M.

AU - Lammerink, Theodorus S.J.

AU - Elwenspoek, Michael Curt

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Y1 - 1999/12

N2 - In this paper, a low-cost load cell (force sensor) is presented in which the force to be measured is transformed into a fluid pressure. The design consists of a boss, attached to a membrane, and a bucket-like structure which encloses a fluid volume. This geometry causes a force to be transformed into a pressure. We show that this transformation only depends on the geometrical parameters of the load cell and that it is independent of the Young's modulus of the membrane resulting in very low creep and hysteresis. Experimental results with loads up to 1000 kg show very good repeatability and are in close agreement with both analytical and numerical calculations.

AB - In this paper, a low-cost load cell (force sensor) is presented in which the force to be measured is transformed into a fluid pressure. The design consists of a boss, attached to a membrane, and a bucket-like structure which encloses a fluid volume. This geometry causes a force to be transformed into a pressure. We show that this transformation only depends on the geometrical parameters of the load cell and that it is independent of the Young's modulus of the membrane resulting in very low creep and hysteresis. Experimental results with loads up to 1000 kg show very good repeatability and are in close agreement with both analytical and numerical calculations.

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